Two EPB-TBM by Herrenknecht excavated the 4.5 km long second metro line in Prague through sands and clays. The products for ground conditioning MAPEQUICK CBS SYSTEM1 and MAPEQUICK CBS SYSTEM2 were supplied.
Liquid activator admixture used in extremely fluid backfill grouts systems, even with thigh water content, to be used in mechanized tunnelling with TBM
Liquid activator admixture used in extremely fluid backfill grouts systems,…